Answer:
The majority of living things are made up of various types of cells that are each specialized to execute a specific purpose. Because certain enzymes, also known as proteins, play a big role in biochemical function, distinct sets of genes must be turned on and off in different cell types. This is how cells differ from one another.
On the earth, down means toward the earth's center.
The correct answer is A.
The use of antibacterial drugs can cause modifications in the genetic material of the concerned bacteria. If the genetic material of the bacteria are modify, that means they have undergone mutation. Because the base sequence of the normal and that of the mutated gene is different, antibiotic will not be able to recognize the bacteria again and thus will not be able to attack it.
Well, for one,
point mutation: caused by delection or intersection within a gene.
delection:by genes from genes.
chromosomes: if theres an extra chromosome.
Trinucleotide repeat disorders: where a gene is extended in length
its true it creates deep features